Vanzone phase

Representation and status

Color CMYK

(0%,0%,0%,100%)

Rank

tectonic

Validity

Unit is in Use

Status

informal term

Nomenclature

Deutsch

Vanzone-Phase

Français

Phase de Vanzone

Italiano

Fase di Vanzone

English

Vanzone phase

Origin of the Name

Vanzone (Italia), Valle Anzasca

Historical Variants

voûte de Vanzone = charnière à la Miniera dei Cani (Argand 1911b), Gewölbe von Vanzone (Blumenthal 1952), Vanzone phase (Pleuger et al. 2008), Vanzone back fold = Bergell-Vanzone backfolds (Steck 2008), Vanzone anticline (Steck et al. 2013, Steck et al. 2015), Vanzone Phase (Giuntoli & Engi 2016)

Age

Age at top

• early Miocene

Age at base

• Oligocene

Dating Method

Ca. 30 Ma (34-18 Ma)

Geography

Type area

Monte Rosa (VS/Italia)

References

Definition

Argand Emile (1911) : Les nappes de recouvrement des Alpes Pennines et leurs prolongements structuraux. Mat. Carte géol. Suisse (N.F.) 31/1, 30 pages

Definition

Steck Albrecht (2008) : Tectonics of the Simplon massif and Lepontine gneiss dome: deformation structures due to collision between the underthrusting European plate and the Adriatic indenter. Swiss J. Geosci. 101, 515-546